title: Avoiding misdiagnosis of upper gastrointestinal Crohn's disease.
authors.forename: Chaonan
authors.initials: C
authors.lastname: Zhang
authors.forename: Zhe
authors.initials: Z
authors.lastname: Shen
authors.forename: Chaohui
authors.initials: C
authors.lastname: Yu
authors.forename: Youming
authors.initials: Y
authors.lastname: Li
mesh_terms: D015746:Abdominal Pain / Q000209:etiology; D000328:Adult; D003424:Crohn Disease / Q000175:diagnosis*; D003951:Diagnostic Errors / Q000517:prevention & control; D016099:Endoscopy, Gastrointestinal; D016481:Helicobacter Infections / Q000150:complications; D006801:Humans; D008297:Male; D012003:Rectal Fistula / Q000209:etiology; D013276:Stomach Ulcer / Q000150:complications; D014839:Vomiting / Q000209:etiology; D015431:Weight Loss